.responsive {
    width: 100%;
    height: auto;
  }
  body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(90deg, #0055a4 0%, #0055a4 33%, #ffffff 33%, #ffffff 66%, #ed2939 66%, #ed2939 100%); /* French flag background */
    background-size: 150% 100%;
    animation: wave 3s infinite linear;
    color: #fff; /* Set text color to white for better contrast */
}

@keyframes wave {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 100% 50%;
    }
}

header {
    background-color: #4ecdc4; /* Cool turquoise header background */
    padding: 20px 0;
    text-align: center;
    font-size: 28px;
    margin-bottom: 20px;
}

nav {
    background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent black background */
    padding: 10px;
    text-align: center;
    margin-bottom: 20px;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 10px;
    font-size: 18px;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #ffc107;
}

section {
    display: flex;
    justify-content: center;
    align-items: center;
}

article {
    background-color: rgba(0, 0, 0, 0.7); /* Semi-transparent black background */
    border-radius: 10px;
    padding: 30px;
    max-width: 800px;
    width: 100%;
    text-align: center;
}

article h1 {
    font-size: 24px;
    color: #4ecdc4; /* Cool turquoise heading color */
    margin-bottom: 20px;
}

article p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 10px;
}

img {
    max-width: 100%;
    border-radius: 10px;
    margin-bottom: 20px;
}

footer {
    background-color: #4ecdc4; /* Cool turquoise footer background */
    text-align: center;
    padding: 10px 0;
    font-size: 14px;
    position: fixed;
    bottom: 0;
    width: 100%;
}